Home / 787,062.60-1,179,233.10-365,473.80

Finding the Fourth Proportional to 787,062.60, 1,179,233.10 and 365,473.80

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Solution

The fourth proportional to 787,062.60, 1,179,233.10 and 365,473.80 is: 547,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,062.60 : 1,179,233.10 = 365,473.80 : x
  2. Step 2: Convert to fraction form
    787,062.60/1,179,233.10 = 365,473.80/x
  3. Step 3: Cross multiply
    787,062.60x = 1,179,233.10 × 365,473.80
  4. Step 4: Simplify right side
    787,062.60x = 430,978,802,142.78
  5. Step 5: Solve for x
    x = 430,978,802,142.78/787,062.60
  6. Step 6: Final answer
    x = 547,578.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.